SA18 postcode area house prices

SA18 has an average sold price of £120,290 across 13,812 HM Land Registry transactions covering 651 postcodes. The largest town grouping is Ammanford.

Updated October 2026Records through August 2026HM Land Registry31+ million records

SA18 at a glance

SA18 postcode area averages £120,290 across 13,812 completed sales covering 651 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

Average £120,290 · Median £102,500 · 13,812 transactions · +45.7% growth · 651 postcodes

Data source
HM Land Registry
Updated October 2026
Sample quality
High transaction depth
13,812 sales across 651 postcodes
Median check
£102,500
Mean and median differ — inspect local mix
Trend signal
+45.7%
The five-year price movement is +45.7%.
Coverage
651 postcodes
Largest town: Ammanford

SA18 Postcode Area Overview

The SA18 postcode area averages £120,290 across 13,812 registered sales — below the national average of £400,016 by -69.9%. The median price across constituent postcodes is £102,500, suggesting higher-value sales pull the mean upward. 651 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Ammanford, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +45.7%, in line with national growth.

Postcodes in SA18

SA18 2FF£140,198 average122 salesSA18 3PR£112,094 average122 salesSA18 3SX£110,313 average109 salesSA18 2TH£110,362 average100 salesSA18 2FG£175,135 average95 salesSA18 2GA£153,492 average95 salesSA18 3PD£93,995 average95 salesSA18 3TN£123,301 average94 salesSA18 2ES£142,260 average92 salesSA18 3NS£140,329 average92 salesSA18 1JE£118,330 average91 salesSA18 3SZ£180,384 average90 salesSA18 3QX£151,589 average85 salesSA18 2NE£185,708 average84 salesSA18 2YE£94,310 average82 salesSA18 3NT£132,985 average82 salesSA18 2NN£107,964 average79 salesSA18 3PT£91,104 average79 salesSA18 3RJ£188,188 average79 salesSA18 1RN£90,186 average78 salesSA18 2EF£105,630 average75 salesSA18 2TL£156,251 average74 salesSA18 3TT£115,186 average69 salesSA18 3RA£79,981 average68 salesSA18 3BZ£137,239 average67 salesSA18 3LA£137,210 average67 salesSA18 2HF£165,768 average66 salesSA18 1DA£86,194 average65 salesSA18 1EJ£84,209 average65 salesSA18 2TQ£171,513 average65 salesSA18 3QP£90,558 average65 salesSA18 1HG£80,657 average63 salesSA18 2GD£145,077 average63 salesSA18 2ND£89,846 average63 salesSA18 1DQ£77,541 average62 salesSA18 2DR£98,957 average62 salesSA18 2NP£104,644 average61 salesSA18 1RR£66,362 average60 salesSA18 3PJ£159,327 average60 salesSA18 3QH£94,083 average60 salesSA18 3QS£113,209 average60 salesSA18 3SF£109,342 average60 salesSA18 1AN£132,471 average59 salesSA18 1JF£81,115 average59 salesSA18 2GE£149,897 average59 salesSA18 2NH£103,013 average59 salesSA18 3HH£94,341 average59 salesSA18 2NB£136,860 average58 salesSA18 3YF£91,445 average58 salesSA18 1BE£106,781 average57 salesSA18 1PY£66,252 average57 salesSA18 3LH£114,466 average57 salesSA18 3QA£118,121 average57 salesSA18 2JB£108,840 average56 salesSA18 3BA£103,225 average56 salesSA18 3PE£87,114 average56 salesSA18 2TA£180,761 average55 salesSA18 3QJ£93,834 average55 salesSA18 1DZ£72,076 average54 salesSA18 2JL£141,632 average54 salesSA18 3TR£128,197 average54 salesSA18 1DB£111,017 average53 salesSA18 2DA£236,848 average53 salesSA18 3NR£101,707 average53 salesSA18 3TD£130,465 average53 salesSA18 1LH£90,051 average52 salesSA18 3TS£126,020 average52 salesSA18 1BU£70,886 average51 salesSA18 1SF£73,675 average51 salesSA18 1SS£83,203 average51 salesSA18 2EZ£159,938 average50 salesSA18 2SR£136,717 average50 salesSA18 3AZ£238,402 average50 salesSA18 3EY£106,648 average50 salesSA18 3HA£84,155 average50 salesSA18 3JA£125,060 average50 salesSA18 3LG£139,329 average50 salesSA18 3LN£160,965 average50 salesSA18 3QT£115,392 average50 salesSA18 1BG£74,574 average49 sales

Compare postcodes in SA18

Use the location comparison tool to put SA18 postcodes beside other postcode areas, towns or districts before narrowing your shortlist.

Property valuation guide

Estimate a property value in the SA18 area

Professional valuers use recent sold prices as comparable evidence. In the SA18 area, the median sold price is £102,500 and the average is £120,290, based on 13,812 HM Land Registry transactions. Over five years, prices have moved +45.7%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £87,000–£118,000(±15% from median)

These are historical completed-sale prices — not a formal valuation, asking price or investment advice. Use them to sense-check an asking price or set expectations before instructing a surveyor.

Frequently asked questions

What is the average sold price in the SA18 postcode area?

The average sold price in SA18 is £120,290, based on 13,812 HM Land Registry transactions across 651 postcodes.

How does SA18 compare to the national average?

SA18 is -69.9% below the England and Wales national average of £400,016.

Are these figures valuations or asking prices?

No. These are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, asking prices or investment advice.

How many postcodes does the SA18 area cover?

The SA18 postcode area covers 651 individual postcodes with 13,812 registered sales. The largest town grouping is Ammanford.

More about SA18

About this data

All sold price figures on this page come from HM Land Registry Price Paid Data for England and Wales, published under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right. These are historical completed sale prices — they are not current valuations, not forecasts and not investment advice. Past sale prices do not guarantee future values. Always seek independent professional advice before making property or financial decisions. Read the full methodology for details on data cleaning, grouping and limitations.